Optimism is the content of small men in high places - F Scott Fitgerald (The Crack-Up)
The UK recorded its warmest day of the year so far on April 7th. Mona on the Isle of Anglesey achieved a temperature of 24.6 ℃. Mona is 85-90 miles NW of Hereford as the crow flies. Mona is the home of the Druids whereas Hereford is our home marked in Figure 1 with a photo of Mary playing guitar. Coincidentally, Mary is out playing guitar with our local community band, Bandemonium, while I write this blog post.
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| Figure 1: Mona, Anglesey (black spot) |
Today, our Davis Weather Station recorded a maximum temperature of 24 ℃ in the back garden; also the highest temperature of 2026 so far and beating the previous 2026 record of 21 ℃ on the 18th March.
I was curious to know whether April 7th was unusually early for the first recorded temperature in Hereford. Certainly, in recent times (and specifically the period 2020 - 2026 where I have reliable temperature data from the weather station) it is not uncommon to see such high temperatures this early in April (see Table below).
Indeed, this year is not even the earliest. That record falls to 2020 when a maximum temperature of 24 ℃ was reached a week earlier on March 31st. Based on the last seven years of temperature data, it appears that the 24 ℃ milestone either occurs in early April (or late March in 2020) or the second/third week of May. This seems to be a remarkably clear cut division that possibly has some climatic/weather origin. It would be nice if it could foretell whether this summer is going to be warm and sunny but, unfortunately, there are no indications that it does. That's a shame because I do love a good correlation!!
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